<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-2.0.2.js'></script>
<script type='text/javascript'>
$(window).load(function(){
$('img.change').click(function () {
var self = this;
$(self).attr('src', "http://www.w3cschool.cn/style/download.png");
setTimeout(function () {
$(self).attr('src', "http://w3cschool.cn/style/demo/Firefox.png");
}, 2000)
});
});
</script>
</head>
<body>
<img class="change" src="http://w3cschool.cn/style/demo/Firefox.png" />
</body>
</html>
【img】
